Can doing Push ups will effect my height?

hey...I am a 15 years old boy and my height is only 5.7 without shows and 5.8 with shows......I have been doing pushups from last ! or 2 years I guess..I used to do 50 in the morning and 50 at nyte before going to bed.....now I have good shoulders but thing is my height is not going with speed it used to be before.....Today I joined gym as I I turned a bit fat..I am normal but I want abs and my gym instructor told my pushups do effect height....is this tru?